Advanced Secondary Processing Nutrient Pre-testing To Improve Product Quality and Reduce Nuisance Odor Production

Title: Advanced Secondary Processing Nutrient Pre-testing To Improve Product Quality and Reduce Nuisance Odor Production Principle Investigator:John Pierson Year: 2002 Lay Summary/Industry Summary: Secondary processing nutrients (SPN), also called dissolved air flotation (DAF) float, skimmings or sludge, is a poultry processing wastewater treatment by-product that is often rendered. Facilities collect SPN throughout the processing day … Continued